Pillow

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Font spacing changes

20

### What did you do? 1. I'm using Pillow to create many individual images which I then stitch together to create a lyrics video for a song. - The app...

NathanWailes

quantize() to a palette often chooses unideal color matches

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### What did you do? I am quantizing many images to the same palette and colors are often not picked to be ideal values, instead being mapped to close values...

ericpauley

JPEG XL support

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See https://jpeg.org/jpegxl/ since JPEG-XL is coming out in a few months Also https://google.github.io/brunsli has a sample app Co-referencing https://ai.google/research/pubs/pub48554 and https://www.iso.org/standard/77977.html

DonaldTsang

Support BC5 DDS encoding

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BC5 is currently not supported by Pillow. There is already some code in the repo that can read BC5 files. I would have made a PR for this but I'm...

pepperoni505

Support for typing?

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I've been looking at applying typing to some code which uses PIL/pillow. Is there any feeling regarding the addition of type annotations within Pillow, or if these belong outside the...

neiljp

I'd like to be able to perform JPEG2K encoding of medical images using Pillow, particularly 16-bit signed greyscale (commonly used with CT and MR). Because of the limited supported `modes`...

scaramallion

Problems with other data-types than uint8

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### What did you do? I was trying to create an Image from a numpy array using Image.fromarray(array, mode) and validate the created image by using the show() function. It...

emilettele

Pillow cannot read from array gray image?

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I have a pic:  Do some conversion: ```python AB = Image.open("./391.jpg").convert('RGB') arr=np.array(AB) [email protected]([0.2125, 0.7154, 0.0721]) # gray scale now ``` Whatever mode you use, it just looks like fucked...

zjplab

Saving a jpeg throws an "encoder error -2 when writing image file" for some images

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We have a jpeg in our Wagtail app for which we can't generate an image rendition. An `OSError` is thrown from the `_save` method in `ImageFile.py`. We isolated it the...

lazakoa

Saving TIFF in chunks

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### What did you do? I need to save to save huge image files (approx. 819200x460800 RGBA). This is too much for anyone's RAM so I have to save it...

DexterHill0